This paper contains new, representative reference equations for the thermal conductivity of carbon dioxide. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-gas thermal conductivity, we incorporated recent theoretical calculations to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the thermal conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlations are applicable for the temperature range from the triple point to 1100 K and pressures up to 200 MPa. The overall uncertainty (at the 95% confidence level) of the proposed correlation varies depending on the state point from a low of 1% at very low pressures below 0.1 MPa between 300 K and 700 K, to 5% at the higher pressures of the range of validity.

中文翻译：

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二氧化碳从三相点到 1100 K、最高 200 MPa 热导率的参考相关性


本文包含二氧化碳热导率的新的、具有代表性的参考方程。这些方程部分基于大量实验数据，这些数据已经过严格评估，以确保内部一致性并尽可能与理论一致。在稀气体热导率的情况下，我们结合了最近的理论计算来扩展实验数据的温度范围。此外，在临界区域，实验观察到的热导率的增强可以通过仅包含一个可调参数的基于理论的方程得到很好的体现。这些关系式适用于从三相点到 1100 K 的温度范围以及高达 200 MPa 的压力。所提出的相关性的总体不确定性（在 95% 置信水平下）根据状态点的不同而变化，从 300 K 至 700 K 之间低于 0.1 MPa 的极低压力下的 1%，到较高压力下的 5%。有效性范围。